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Injectivity of Sulfonated Polymers Under North Sea Field Conditions

Christine Noik | Annie Audibert | Phillipe Delaplace

 

Abstract

Oil field operations for polymer flooding under drastic conditions need suitable commercial products. This study focuses on the flow behavior of sulfonated polyacrylamides specially designed to be used under high temperature conditions. The experiments were performed under North sea conditions, i.e. temperature 90 C, seawater brine and North Sea field cores.

 

The main consequences of the introduction of sulfonate units in a polyacrylamide chain are the improvement of thermal stability and shear resistance and a low level of adsorption, with no major problem of retention during core flow.

 

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